reciprocal

  1. B

    What does it m.an that I have free reciprocal use at planet fitness?

    It says if i get one of the subscriptions I get 10 reciprocal uses free and then I have to pay for it but I don't know what that means/
  2. R

    define inclusive fitness and reciprocal altruism.Discuss conditions that

    would favor the revolution of altr...? define inclusive fitness and reciprocal altruism.Discuss conditions that would favor the revolution of altruistic behavior
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